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Friedrich MR09C1H Ignition Control Board
Another safety feature is the ignition control board, which may control the main gas intake valve, the ignition timing and the flame sensing circuits. It has been a very important safety device that is usually a major component of the main board instead of its own individual board.
What are some hints that my major ignition board is almost dead?
- The initial signal from the primary thermostat gets lost before it makes it to the control board
- Heating and cooling system refuses to initiate then the thermostat send a signal
- Every other device throughout the system is inspected and turns out to be good
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